[DevTools] Remove relativeToElement from Dialog.

Source/devtools/front_end/sources/SourcesPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 822 matching lines @@
     {
         if (window.confirm(WebInspector.UIString("It is recommended to restart inspector after making these changes. Would you like to restart it?")))
             WebInspector.reload();
     },
 
     /**
      * @param {!WebInspector.UISourceCode} uiSourceCode
      */
     mapFileSystemToNetwork: function(uiSourceCode)
     {
-        WebInspector.SelectUISourceCodeForProjectTypesDialog.show(uiSourceCode.name(), [WebInspector.projectTypes.Network, WebInspector.projectTypes.ContentScripts], mapFileSystemToNetwork.bind(this), this._sourcesView.element);
+        WebInspector.SelectUISourceCodeForProjectTypesDialog.show(uiSourceCode.name(), [WebInspector.projectTypes.Network, WebInspector.projectTypes.ContentScripts], mapFileSystemToNetwork.bind(this));
 
         /**
          * @param {?WebInspector.UISourceCode} networkUISourceCode
          * @this {WebInspector.SourcesPanel}
          */
         function mapFileSystemToNetwork(networkUISourceCode)
         {
             if (!networkUISourceCode)
                 return;
             this._networkMapping.addMapping(networkUISourceCode, uiSourceCode, WebInspector.fileSystemWorkspaceBinding);
             this._suggestReload();
         }
     },
 
     /**
      * @param {!WebInspector.UISourceCode} networkUISourceCode
      */
     mapNetworkToFileSystem: function(networkUISourceCode)
     {
-        WebInspector.SelectUISourceCodeForProjectTypesDialog.show(networkUISourceCode.name(), [WebInspector.projectTypes.FileSystem], mapNetworkToFileSystem.bind(this), this._sourcesView.element);
+        WebInspector.SelectUISourceCodeForProjectTypesDialog.show(networkUISourceCode.name(), [WebInspector.projectTypes.FileSystem], mapNetworkToFileSystem.bind(this));
 
         /**
          * @param {?WebInspector.UISourceCode} uiSourceCode
          * @this {WebInspector.SourcesPanel}
          */
         function mapNetworkToFileSystem(uiSourceCode)
         {
             if (!uiSourceCode)
                 return;
             this._networkMapping.addMapping(networkUISourceCode, uiSourceCode, WebInspector.fileSystemWorkspaceBinding);
@@ skipping 575 matching lines @@
 WebInspector.SourcesPanelFactory.prototype = {
     /**
      * @override
      * @return {!WebInspector.Panel}
      */
     createPanel: function()
     {
         return WebInspector.SourcesPanel.instance();
     }
 }